13013721717250 has 64 divisors (see below), whose sum is σ = 25193529713664. Its totient is φ = 5028358608000.

The previous prime is 13013721717233. The next prime is 13013721717301. The reversal of 13013721717250 is 5271712731031.

13013721717250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2704342 + ... + 5774158.

It is an arithmetic number, because the mean of its divisors is an integer number (393648901776).

Almost surely, 2^{13013721717250} is an apocalyptic number.

13013721717250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013721717250 is a deficient number, since it is larger than the sum of its proper divisors (12179807996414).

13013721717250 is a wasteful number, since it uses less digits than its factorization.

13013721717250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070412 (or 3070402 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 13013721717250 in words is "thirteen trillion, thirteen billion, seven hundred twenty-one million, seven hundred seventeen thousand, two hundred fifty".